In addition, students also study social welfare and Saemaul development in international context. This will student equip with wide range of knowledge and skills required to be an expert and practitioner in this field.

Thus, this major focuses primarily on providing an education that fosters experts in the applied social science field needed for international development and social welfare. It also studies theories and methodologies for the social economy, community development and organization, international social welfare practice and policy, welfare administration, social research and statistics, regional planing, economic development, geographical information system, etc.

This Department was first established as the Department of Community Development in 1976, in which the first to fourth batch of students were admitted on a special basis and received full scholarships for their entire studies. After graduating, they were employed as level 7 public employees. In 1987, its name was changed to the Department of Regional Development and was under the College of Political Science and Public Administration. In 1999, it was changed to the Major of Regional Development as part of the School of Public Administration and night courses was also introduced. In 2007, the major became an independent department again and the name was changed to the Major of Regional Development and Welfare Administration. Then from 2014, the Department have the current name and more specialized in international development.